Finding the Fourth Proportional to 5,760,461.80, 8,640,692.70 and 5,387,213.80
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Solution
The fourth proportional to 5,760,461.80, 8,640,692.70 and 5,387,213.80 is: 8,080,820.70
Step by Step Solution
- Step 1: Write the proportion equation
5,760,461.80 : 8,640,692.70 = 5,387,213.80 : x - Step 2: Convert to fraction form
5,760,461.80/8,640,692.70 = 5,387,213.80/x - Step 3: Cross multiply
5,760,461.80x = 8,640,692.70 × 5,387,213.80 - Step 4: Simplify right side
5,760,461.80x = 46,549,258,954,999.26 - Step 5: Solve for x
x = 46,549,258,954,999.26/5,760,461.80 - Step 6: Final answer
x = 8,080,820.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.